Deathtouch

Ward {X} where X is the greatest power among Nightmares you control.

Whenever a creature you control deals combat damage to a player, extract 1. (Exile the top one card of target opponent’s library. If you don’t control a Nightmare token, create a */1 black Nightmare creature token with ‘This creature gets +1/+0 for each creature card your opponents own in exile.’)

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